Nordson Asymtek M-2000 - Symptoms and Causes of Heater Failure

Trainee Guide TR-L2-M2000
Level 2 Maintenance Training – M2000 Dispensing Systems 4-2-14 P/N 73-0018-00 (Revision B)
Information Sheet 4-5-1
Symptoms and Causes of Heater Failure
Symptom Possible Cause Recovery
System is in Emergency Stop.
- Turn EMO button clockwise to
release and restart machine.
Heater loops are not active.
- Activate the heater loops. See
Exercise Sheet 4-5-1, Testing
Heater Loops, on page 4-2-15.
Set Point (SP) value is below
Process Variable (PV) value.
- Change the SP value within the
Heater Controls Window.
Consult the Online Help for
assistance.
Integral value is too low.
- Go to Heat Control tab in Heater
Controls and increase Integral
value. Consult the Online Help
for assistance.
System air pressure is below 40 psi.
(IR bulb heaters.)
- Increase system air pressure.
No power to the heaters.
- Activate the heater loops. See
Exercise Sheet 4-5-1, Testing
Heater Loops, on page 4-2-15.
Thermostat needs to be reset
(Custom configuration IR heaters
only).
- See Exercise Sheet 4-5-2,
Resetting Heater Thermostat, on
page 4-2-16.
Optional AC Relay Module not
connected to facility power source.
- Connect AC Relay Module
power cord to a facility power
supply.
Circuit breaker on AC Relay Module
OFF.
- Turn circuit breaker on AC Relay
Module ON.
Power cable from AC Relay Module
to heater module not connected.
- Connect power cable from AC
Relay Module to heater module.
Heaters Do Not Turn On
Thermocouple connector on heater
module not plugged in.
- Plug thermocouple connector
into heater module.
System is in Emergency Stop. - Turn EMO button clockwise to
release and restart machine.
Front doors, hood or window open. - Close the doors, hood or
window.
Heaters are not active.
- Activate the heater loops. See
Exercise Sheet 4-5-1, Testing
Heater Loops, on page 4-2-15.
Zone sensor is not detecting the
board or part.
- See Exercise Sheet 4-5-3,
Checking Zone Sensor, on page
4-2-17.
No Power to Heaters
Fuse is burned out on Encap
module.
- Replace fuse. See Lesson 4-11
on page 4-2-41.